On the CUSTOMTOOLS installation, the user receives errors shown in the following pictures during the SQL Server service startup:
The following errors appear to the Application log in the Windows Event Viewer.
FCB::Open failed: Could not open file E:sql12_main_t.obj.x86Releasesqlmkmastrdatabasesmkmastr.projmodel.mdf for file number 1. OS error: 3(The system cannot find the path specified.).
FileMgr::StartLogFiles: Operating system error 2(The system cannot find the file specified.) occurred while creating or opening file 'E:sql12_main_t.obj.x86Releasesqlmkmastrdatabasesmkmastr.projmodellog.ldf'. Diagnose and correct the operating system error, and retry the operation.
FCB::Open failed: Could not open file E:sql12_main_t.obj.x86Releasesqlmkmastrdatabasesmkmastr.projMSDBData.mdf for file number 1. OS error: 3(The system cannot find the path specified.).
FileMgr::StartLogFiles: Operating system error 2(The system cannot find the file specified.) occurred while creating or opening file 'E:sql12_main_t.obj.x86Releasesqlmkmastrdatabasesmkmastr.projMSDBLog.ldf'. Diagnose and correct the operating system error, and retry the operation.
Please refer to the following blog to fix the problem.
MSSQL Server not starting after fresh installation (Branko Vucinec, 2015)